McWilliams Arroyo had the full training camp. He had all the preparation. And in less than five rounds, he became the WBC's interim flyweight champion of the world in the Canelo Alvarez-Avni Yildirim co-main event at Hard Rock Stadium in Miami on Saturday.
It became clear early on that Arroyo also had the realistic edge against Abraham Rodriguez, a late replacement who arrived in Miami on Friday.